Duplicate Line Remover Online

What is the Duplicate Line Remover?

When dealing with large lists, log files, or text data, duplicate entries can easily creep in. Finding and deleting them manually is incredibly tedious.

Our Duplicate Line Remover tool instantly scans your text and strips out any repeated lines, keeping only the first occurrence of each unique line. It completely preserves the original order of your data.

Advanced Options

You can customize the duplicate removal process using the toggles above the editor:

• Case Sensitive: When disabled, Apple and apple will be considered duplicates.
• Trim Whitespace First: Removes leading and trailing spaces before comparing. For example, text and text will be treated as duplicates.
• Remove Empty Lines: Strips out all blank lines from your final output, resulting in a cleaner list.